プロポーズ
Marriage Proposal is a Weiß Schwarz card from ソードアート・オンライン SAO/S20-096. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
You may choose one of your characters named "Kirito Joins the Knights of the Blood Oath", and put it into your waiting room. If you do, choose a card named "《Black Swordsman》 Kirito" in your waiting room, put it on any position of your stage, and that character gets +1500 until end of your opponent's next turn. Put this card into your memory.